HSQLDB (HyperSQL DataBase) is the SQL relational database engine written in Java. It offers a multithreaded and transactional database engine with in-memory and disk-based tables and supports embedded and server modes. It includes a powerful command line SQL tool and simple GUI query tools. HSQLDB supports range of SQL Standard features seen in any open source database engine: SQL: 2011 core language features and an extensive list of SQL: 2011 optional features.
Full Specifications
What's new in version 2.3
General
ReleaseJuly 11, 2013
Date AddedJuly 12, 2013
Version2.3
Operating Systems
Operating SystemsWindows 2003, Windows Vista, Windows, Windows 7, Windows XP